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KRAMER: SIMPLE CREATIVE TECHNOLOGY
The Driver Manager
74
Figure 159: Query Command Details Windows (for Lamp Hours and Power, respectively)
3. Type the Query command that will be sent to the projector.
4. In the Query Format tab set the parameters to decode the projector response.
5. In the Alerts tab, enable the alerts.
The Query format tab is used to set the query response format, as defined in Table 10.
Note that the first three fields in the query format tab (Begin, Terminated and Stop Value) always
determine the bytes relevant to the response and the last three fields how to understand the
response.
Table 10: Query Format Details
Feature Function Notes
Begin Set the byte from which the response starts
To start with the first byte, select 0; to start from
the second byte, select 1, and so on
The number selected can be considered as the
number of characters that should be ignored
from the beginning of the response
Terminated
END_OF_RES: the data ends with the final character in
the packet
BY_CHAR: a certain character will define the end of the
response (for example, “A”)
BY_LENGTH: the response will always have a set number
of characters
Stop Value
The stop value will be defined according to the type of
termination selected:
For END_OF_RES: N/A
For BY_CHAR: the character that defines the end of the
response
For BY_LENGTH: the number of fixed characters that
comprise the response
Answer Format: BINARY_HEX, ASCII, ASCII_Base_16 or BIT
Select according to the main display protocol
format
Endian Type/
Bit Num
Endian Type: select little or big, to define the response
reading direction
BIT number: when selecting the BIT answer format, set the
BIT number (0,…,7)
Little Endian: the response value received from
the byte with lowest value to the largest
Big Endian: the response value received from
the byte with highest value to the lowest
Response Units:
HOURS, MINUTES, SECONDS, USE_LOOK_UP_TABLE
(relevant to the power query, see
Section 9.2.2
For the Power query always select the
USE_LOOK_UP_TABLE ), or NONE
(an arbitrary number without units)
For the Lamp Hours query, select the correct time
unit
None is N/A
Section 9.2.1 shows how to set the query details for the Lamp Hours query and 9.2.2Section
shows
how to set the query details for the Power query.